Microsoft Foundry hosted agents vs Shellbox
Microsoft Foundry hosted agents costs $0.0994 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. Microsoft Foundry hosted agents runs microVMs. Shellbox runs Firecracker microVMs and has no session limit.
Updated
Microsoft Foundry hosted agents
- Isolation
- MicroVM
- Free tier
- Not listed
- Max session
- Not listed
Shellbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- No limit
What is different
8 fields differ. The rest are the same or not listed.
Microsoft Foundry hosted agents
Shellbox
- vCPU, per hour
- Microsoft Foundry hosted agents: $0.0994
- Shellbox: $0.01
- RAM, per GiB-hour
- Microsoft Foundry hosted agents: $0.0118
- Shellbox: Included
- Billing
- Microsoft Foundry hosted agents: Per second
- Shellbox: Bundled machine time
- Idle stop
- Microsoft Foundry hosted agents: After 15 minutes
- Shellbox: After 2 minutes
- Largest sandbox
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Shellbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Microsoft Foundry hosted agents: Up to 2,000
- Shellbox: Up to 16
- Isolation
- Microsoft Foundry hosted agents: MicroVM
- Shellbox: Firecracker microVM
- Integrations
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
- Shellbox: Claude Code
Full comparison
18 fields, at each provider's list price
Microsoft Foundry hosted agentsazure
Shellboxshellbox
Pricing
- vCPU, per hour
- Microsoft Foundry hosted agents: $0.0994
- Shellbox: $0.01
- RAM, per GiB-hour
- Microsoft Foundry hosted agents: $0.0118
- Shellbox: Included
- Storage
- Microsoft Foundry hosted agents: Not listed
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Free tier
- Microsoft Foundry hosted agents: Not listed
- Shellbox: Not listed
- Paid plan from
- Microsoft Foundry hosted agents: Pay as you go
- Shellbox: Pay as you go
- Billing
- Microsoft Foundry hosted agents: Per second
- Shellbox: Bundled machine time
Limits
- Max session
- Microsoft Foundry hosted agents: Not listed
- Shellbox: No limit
- Idle stop
- Microsoft Foundry hosted agents: After 15 minutes
- Shellbox: After 2 minutes
- Largest sandbox
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Shellbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Microsoft Foundry hosted agents: Up to 2,000
- Shellbox: Up to 16
Platform
- Isolation
- Microsoft Foundry hosted agents: MicroVM
- Shellbox: Firecracker microVM
- GPU
- Microsoft Foundry hosted agents: Not listed
- Shellbox: Not listed
- Snapshots
- Microsoft Foundry hosted agents: Not listed
- Shellbox:
- Pause and resume
- Microsoft Foundry hosted agents:
- Shellbox:
Developer
- SDKs
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Shellbox: Not listed
- Integrations
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
- Shellbox: Claude Code
Trust
- License
- Microsoft Foundry hosted agents: Not listed
- Shellbox: Not listed
- BYOC
- Microsoft Foundry hosted agents: Not listed
- Shellbox: Not listed
Hourly cost
One sandbox running for one hour
Microsoft Foundry hosted agents
Shellbox
- 1 vCPU · 2 GiB
- Microsoft Foundry hosted agents: $0.123
- Shellbox: $0.010
- 2 vCPU · 4 GiB
- Microsoft Foundry hosted agents: $0.246
- Shellbox: $0.020
- 4 vCPU · 8 GiB
- Microsoft Foundry hosted agents: $0.492
- Shellbox: $0.040
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Microsoft Foundry hosted agents fits when
- You use the Claude Agent SDK, LangChain, MCP or the OpenAI Agents SDK.
Shellbox fits when
- You use Claude Code.
- You want the lower list price: $0.020 against $0.246 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
- You need a sandbox larger than 2 vCPU · 4 GiB.
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